Large quick sell changes?

Has EA made an intentional change in the large quick sell set pay out?  All year I have been able to make good coin off that set. I could go from 20,000 coins to 500,000 coins in just 2 to 3 days, over and over. It was so consistent it was reliable.  Since conqueror set came out, the average payout has gone from 6,000 - 8,000 down to 1,000 - 2,500.  I feel I can question this since  to date this season I have completed that set just over 4,000 times. I think I have a pretty strong argument that I've completed the set enough times this year to notice a significant change like this.  So, has there been any intentional change by EA to the payout??